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  2. Flight management system - Wikipedia

    en.wikipedia.org/wiki/Flight_management_system

    The cost index is calculated by dividing the per-hour cost of operating the plane by the cost of fuel. Generally a cost index of 999 gives ECON speeds as fast as possible without consideration of fuel and a cost index of zero gives maximum fuel economy while disregarding other hourly costs such as maintenance and crew expenses. ECON mode is the ...

  3. United States Consumer Price Index - Wikipedia

    en.wikipedia.org/wiki/United_States_Consumer...

    The Consumer Price Index was initiated during World War I, when rapid increases in prices, particularly in shipbuilding centers, made an index essential for calculating cost-of-living adjustments in wages. To provide appropriate weighting patterns for the index, it reflected the relative importance of goods and services purchased in 92 ...

  4. Gasoline and diesel usage and pricing - Wikipedia

    en.wikipedia.org/wiki/Gasoline_and_diesel_usage...

    Gasoline and diesel usage and pricing. Example from Germany 2007, €1.319/l. The usage and pricing of gasoline (or petrol) results from factors such as crude oil prices, processing and distribution costs, local demand, the strength of local currencies, local taxation, and the availability of local sources of gasoline (supply).

  5. Consumer Price Index: Cost of Gas, Eggs & Rent Keep ... - AOL

    www.aol.com/consumer-price-index-cost-gas...

    The first reading of 2023 showed stubborn inflation, as the Consumer Price Index (CPI) decreased just 0.1% to 6.4% on an annual basis. However, it was higher than anticipated. This is the seventh...

  6. Price index - Wikipedia

    en.wikipedia.org/wiki/Price_index

    Price index. A price index ( plural: "price indices" or "price indexes") is a normalized average (typically a weighted average) of price relatives for a given class of goods or services in a given region, during a given interval of time. It is a statistic designed to help to compare how these price relatives, taken as a whole, differ between ...

  7. Heavy fuel oil - Wikipedia

    en.wikipedia.org/wiki/Heavy_fuel_oil

    Heavy fuel oil. Heavy fuel oil (HFO) is a category of fuel oils of a tar -like consistency. Also known as bunker fuel, or residual fuel oil, HFO is the result or remnant from the distillation and cracking process of petroleum. For this reason, HFO is contaminated with several different compounds including aromatics, sulfur, and nitrogen, making ...

  8. Fuel taxes in the United States - Wikipedia

    en.wikipedia.org/wiki/Fuel_taxes_in_the_United...

    The federal tax was last raised on October 1, 1993, and is not indexed to inflation, which increased 111% from Oct. 1993 until Dec. 2023. On average, as of April 2019, state and local taxes and fees add 34.24 cents to gasoline and 35.89 cents to diesel, for a total US volume-weighted average fuel tax of 52.64 cents per gallon for gas and 60.29 ...

  9. Fuel efficiency - Wikipedia

    en.wikipedia.org/wiki/Fuel_efficiency

    Fuel consumption monitor from a 2006 Honda Airwave. The displayed fuel economy is 18.1 km/L (5.5 L/100 km; 43 mpg ‑US). A Briggs and Stratton Flyer from 1916. Originally an experiment in creating a fuel-saving automobile in the United States, the vehicle weighed only 135 lb (61.2 kg) and was an adaptation of a small gasoline engine originally ...